package com.example.demo.component;

import java.util.Scanner;

public class Main {
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        int n=in.nextInt();
        for(int i=2;i<=n/2;i++){
            if(prime(i)){
                if(prime(i)){
                    System.out.println("n= "+i+"+"+(n-i));
                    break;
                }
            }
        }
    }

    public static boolean prime(int n){
        if(n<=1) return false;
        if(n==2) return true;
        for(int j=2;j<=(int) Math.sqrt((double) n); j++){
            if (n%j==0) return false;
        }
        return true;
    }
}
